/* roulang page: index */
:root{
  --brand:#2A5C8A;
  --brand-deep:#1C4368;
  --brand-soft:#E8F0F8;
  --accent:#B07C3E;
  --accent-soft:#F6EEE3;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --line:#DDE5EE;
  --line-warm:#E7DFD4;
  --ink:#16212C;
  --ink-2:#4A5B6B;
  --ink-3:#8795A3;
  --success:#2F7A5A;
  --error:#C0392B;
  --sh-1:0 1px 2px rgba(18,58,94,.06);
  --sh-2:0 6px 18px rgba(18,58,94,.08);
  --sh-3:0 16px 40px rgba(18,58,94,.10);
  --r-sm:6px;--r-md:10px;--r-lg:14px;--r-pill:999px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;line-height:1.8;font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer}
.num,.cd-unit b,.stat b{font-variant-numeric:tabular-nums}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.wrap{max-width:1320px}}
@media (max-width:575px){.wrap{padding:0 16px}}
.skip{position:absolute;left:-9999px;top:0;background:#fff;color:var(--brand);padding:10px 16px;border-radius:var(--r-md);z-index:999}
.skip:focus{left:12px;top:12px}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(42,92,138,.25);border-radius:var(--r-sm)}
.sec{padding:76px 0}
@media (max-width:991px){.sec{padding:52px 0}}
.sec-head{margin-bottom:28px;max-width:760px}
.sec-head h2{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:.2px}
.sec-head .sec-sub{margin-top:10px;font-size:15px;color:var(--ink-2);line-height:1.75}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--accent);letter-spacing:1px;margin-bottom:12px}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--accent);display:block}
@media (max-width:991px){.sec-head h2{font-size:24px}}
@media (max-width:575px){.sec-head h2{font-size:22px}}

/* ============ 按钮 ============ */
.btn-brand,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  text-decoration:none;transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:none;box-shadow:none}
.btn-ghost{background:transparent;color:var(--brand);border-color:rgba(42,92,138,.4)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#96682F;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.link-arrow::after{content:"→";transition:transform .2s ease;font-weight:400}
.link-arrow:hover::after{transform:translateX(3px)}

/* ============ 倒计时条 ============ */
.countdown-bar{background:var(--brand-soft);border-bottom:1px solid var(--line);position:relative}
.countdown-bar::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent)}
.cd-inner{display:flex;align-items:center;gap:18px;min-height:44px;padding-top:6px;padding-bottom:6px;flex-wrap:nowrap;overflow-x:auto}
.cd-label{font-size:14px;font-weight:600;color:var(--brand-deep);white-space:nowrap}
.cd-timer{display:flex;align-items:center;gap:8px;margin-left:auto}
.cd-unit{display:flex;align-items:center;gap:5px}
.cd-unit b{display:inline-flex;align-items:center;justify-content:center;min-width:30px;height:26px;padding:0 6px;background:#fff;border-radius:var(--r-sm);font-size:14px;font-weight:700;color:var(--brand-deep);box-shadow:var(--sh-1)}
.cd-unit i{font-style:normal;font-size:12px;color:var(--ink-2)}
.cd-link{font-size:13px;font-weight:600;color:var(--brand);white-space:nowrap}
.cd-link:hover{color:var(--accent)}
@media (max-width:575px){
  .cd-inner{gap:12px}
  .cd-label{font-size:13px}
  .cd-unit b{min-width:26px;height:24px;font-size:13px}
}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease,background .25s ease}
.site-header.scrolled{background:rgba(255,255,255,.96);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:var(--sh-2)}
.topbar-inner{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:32px;height:32px;flex:0 0 32px;border-radius:50%;border:2px solid var(--brand);display:flex;align-items:center;justify-content:center;background:var(--brand-soft)}
.brand-mark span{display:block;width:9px;height:14px;border:2px solid var(--accent);border-bottom:none;border-radius:9px 9px 0 0}
.brand-name{font-size:17px;font-weight:700;color:var(--brand-deep);letter-spacing:.2px;white-space:nowrap}
.brand-name em{font-style:normal;color:var(--brand)}
.topbar-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-form{display:flex;align-items:center;width:220px;height:38px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--bg);overflow:hidden}
.search-form input{flex:1;height:100%;border:0;background:transparent;padding:0 6px 0 16px;font-size:14px;outline:none;min-width:0}
.search-form input::placeholder{color:var(--ink-3)}
.search-form button{width:44px;height:100%;border:0;background:transparent;color:var(--ink-2);display:flex;align-items:center;justify-content:center}
.search-form button:hover{color:var(--brand)}
.search-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;color:var(--ink-2);align-items:center;justify-content:center}
.search-toggle:hover{color:var(--brand);border-color:var(--brand)}
.header-cta{opacity:0;visibility:hidden;transform:translateY(-4px);pointer-events:none;transition:opacity .25s ease,transform .25s ease,visibility .25s}
.header-cta.show{opacity:1;visibility:visible;transform:none;pointer-events:auto}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;color:var(--ink-2);align-items:center;justify-content:center}
.nav-toggle:hover{color:var(--brand);border-color:var(--brand)}
.mobile-search{display:none;padding:0 0 12px}
.mobile-search form{display:flex;height:44px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--bg);overflow:hidden}
.mobile-search input{flex:1;border:0;background:transparent;padding:0 16px;font-size:14px;outline:none}
.mobile-search button{width:52px;border:0;background:var(--brand);color:#fff}

.channel-bar{border-top:1px solid var(--line);background:#fff}
.channel-inner{display:flex;align-items:center;gap:18px;height:46px}
.channel-list{display:flex;align-items:center;gap:4px;flex:0 0 auto}
.channel-list a{display:inline-flex;align-items:center;height:44px;padding:0 14px;font-size:15px;font-weight:500;color:var(--ink-2);border-bottom:2px solid transparent}
.channel-list a:hover{color:var(--brand);background:var(--brand-soft)}
.channel-list a.active{color:var(--brand);font-weight:600;border-bottom-color:var(--brand)}
.hotwords{display:flex;align-items:center;gap:8px;margin-left:auto;overflow:hidden}
.hotwords-label{font-size:12px;color:var(--ink-3);white-space:nowrap}
.chip{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand);font-size:12px;border:1px solid transparent;white-space:nowrap;transition:border-color .2s ease,color .2s ease,background .2s ease}
.chip:hover{border-color:var(--brand);color:var(--brand-deep);background:#fff}
.drawer-cta{display:none}

@media (max-width:991px){
  .search-form,.header-cta{display:none}
  .search-toggle{display:flex}
  .nav-toggle{display:flex}
  .channel-bar{display:none}
  .site-header.nav-open .channel-bar{display:block;border-top:1px solid var(--line);box-shadow:var(--sh-2)}
  .channel-inner{flex-direction:column;align-items:stretch;height:auto;gap:0;padding:6px 0 16px}
  .channel-list{flex-direction:column;align-items:stretch;width:100%;gap:0}
  .channel-list a{height:auto;min-height:48px;width:100%;padding:12px 0;border-bottom:1px solid var(--line);border-left:0;border-bottom-width:1px}
  .channel-list a.active{border-bottom-color:var(--line);color:var(--brand);box-shadow:inset 3px 0 0 var(--brand);padding-left:12px}
  .hotwords{margin-left:0;flex-wrap:wrap;padding-top:14px;overflow:visible}
  .drawer-cta{display:block;margin-top:16px}
  .drawer-cta .btn-brand{width:100%}
  .site-header.search-open .mobile-search{display:block}
}
@media (max-width:575px){
  .topbar-inner{height:58px;gap:10px}
  .brand-mark{width:28px;height:28px;flex:0 0 28px}
  .brand-name{font-size:15px}
}

/* ============ Hero ============ */
.hero{padding:40px 0 8px}
.hero-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px;align-items:stretch}
.hero-main{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background-image:linear-gradient(rgba(247,249,252,.86),rgba(247,249,252,.9)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;border:1px solid var(--line);
  padding:52px 48px;display:flex;flex-direction:column;justify-content:center;min-height:360px;
}
.hero-main h1{font-size:42px;line-height:1.25;font-weight:700;color:var(--ink);letter-spacing:.2px;max-width:640px}
.hero-main .hero-sub{margin-top:14px;font-size:18px;line-height:1.7;color:var(--ink-2);max-width:560px}
.hero-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px}
.hero-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-3);padding:26px 24px;position:relative;overflow:hidden;display:flex;flex-direction:column;
}
.hero-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--accent)}
.hero-card h2{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:6px}
.hero-card .card-note{font-size:13px;color:var(--ink-3);margin-bottom:18px}
.hero-card .mini-timer{display:flex;gap:10px;margin-bottom:18px}
.hero-card .mini-timer div{flex:1;background:var(--brand-soft);border-radius:var(--r-sm);padding:10px 6px;text-align:center}
.hero-card .mini-timer b{display:block;font-size:20px;font-weight:700;color:var(--brand-deep);font-variant-numeric:tabular-nums}
.hero-card .mini-timer i{font-style:normal;font-size:12px;color:var(--ink-2)}
.key-dates{border-top:1px solid var(--line);padding-top:14px;margin-bottom:20px}
.key-dates li{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:7px 0;border-bottom:1px dashed var(--line-warm)}
.key-dates li:last-child{border-bottom:0}
.key-dates span{color:var(--ink-2)}
.key-dates b{color:var(--ink);font-weight:600}
.hero-card .card-actions{display:flex;flex-direction:column;gap:10px;margin-top:auto}
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1.6fr 1fr}
  .hero-main h1{font-size:38px}
}
@media (max-width:991px){
  .hero{padding:24px 0 4px}
  .hero-grid{grid-template-columns:1fr}
  .hero-main{padding:38px 26px;min-height:300px}
  .hero-main h1{font-size:30px}
  .hero-main .hero-sub{font-size:16px}
}
@media (max-width:575px){
  .hero-main{padding:30px 20px;min-height:260px}
  .hero-main h1{font-size:26px}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
}

/* ============ 卖点流 ============ */
.points{border-top:1px solid var(--line-warm)}
.points-list{border-top:1px solid var(--line)}
.point{display:grid;grid-template-columns:72px 1fr;gap:24px;padding:26px 0;border-bottom:1px solid var(--line)}
.point-no{font-size:26px;font-weight:700;color:var(--accent);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:1px}
.point h3{font-size:20px;font-weight:600;color:var(--ink);margin-bottom:8px}
.point p{font-size:15px;line-height:1.8;color:var(--ink-2);max-width:820px}
@media (max-width:575px){
  .point{grid-template-columns:48px 1fr;gap:14px;padding:20px 0}
  .point-no{font-size:20px}
  .point h3{font-size:17px}
}

/* ============ 图墙 ============ */
.wall{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.wall-item{position:relative;overflow:hidden;border-radius:var(--r-md);border:1px solid var(--line);background:linear-gradient(135deg,var(--brand-soft),var(--accent-soft))}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.wall-item:hover img{transform:scale(1.03)}
.wall-cap{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;
  background:linear-gradient(to top,rgba(22,33,44,.78),rgba(22,33,44,0));
  color:#fff;transform:translateY(12px);opacity:0;transition:transform .28s ease,opacity .28s ease;
}
.wall-item:hover .wall-cap{transform:none;opacity:1}
.wall-cap b{display:block;font-size:13px;font-weight:600;color:#E8C79A;margin-bottom:2px}
.wall-cap span{font-size:13px;line-height:1.5;color:rgba(255,255,255,.92)}
.wall-a{grid-column:span 8;height:240px}
.wall-b{grid-column:span 4;height:240px}
.wall-c{grid-column:span 4;height:190px}
.wall-d{grid-column:span 4;height:190px}
.wall-e{grid-column:span 4;height:190px}
@media (max-width:991px){
  .wall-a,.wall-b{grid-column:span 6;height:200px}
  .wall-c,.wall-d,.wall-e{grid-column:span 6;height:180px}
  .wall-e{grid-column:span 12;height:170px}
}
@media (max-width:575px){
  .wall{gap:12px}
  .wall-a,.wall-b,.wall-c,.wall-d,.wall-e{grid-column:span 12;height:170px}
  .wall-cap{transform:none;opacity:1}
}

/* ============ 报名 ============ */
.signup-panel{
  background:var(--brand-soft);border-radius:var(--r-lg);border:1px solid var(--line);
  overflow:hidden;display:grid;grid-template-columns:1fr 1fr;
}
.signup-intro{padding:44px 40px;position:relative}
.signup-intro::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent)}
.signup-intro h2{font-size:28px;line-height:1.35;font-weight:700;margin-bottom:14px}
.signup-intro p{font-size:15px;line-height:1.85;color:var(--ink-2);margin-bottom:18px}
.signup-intro ul li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);padding:6px 0}
.signup-intro ul li::before{content:"";width:6px;height:6px;margin-top:9px;flex:0 0 6px;border-radius:50%;background:var(--accent)}
.signup-form{background:#fff;padding:40px 40px;border-left:1px solid var(--line)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.field label .opt{font-weight:400;color:var(--ink-3)}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:11px 14px;border:1px solid var(--line);border-radius:var(--r-md);
  background:#fff;font-size:15px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:88px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(42,92,138,.15)}
.field.error input,.field.error select{border-color:var(--error)}
.field .err-msg{display:none;margin-top:6px;font-size:12px;color:var(--error)}
.field.error .err-msg{display:block}
.form-hint{font-size:12px;color:var(--ink-3);margin-top:12px;line-height:1.7}
.form-success{display:none;margin-top:16px;padding:16px 18px;border-radius:var(--r-md);background:var(--accent-soft);border:1px solid var(--line-warm);color:var(--brand-deep);font-size:14px;line-height:1.75}
.form-success.show{display:block}
@media (max-width:991px){
  .signup-panel{grid-template-columns:1fr}
  .signup-intro{padding:32px 24px}
  .signup-intro h2{font-size:22px}
  .signup-form{padding:28px 24px;border-left:0;border-top:1px solid var(--line)}
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:10px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh-1);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:rgba(42,92,138,.35);box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  min-height:56px;display:flex;align-items:center;padding:14px 56px 14px 20px;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;width:14px;height:2px;background:var(--brand);
  transform:translateY(-50%);transition:transform .22s ease;
}
.faq-item summary::before{
  content:"";position:absolute;right:28px;top:50%;width:2px;height:14px;background:var(--brand);
  transform:translateY(-50%);transition:transform .22s ease;
}
.faq-item[open] summary{background:var(--brand-soft);color:var(--brand-deep)}
.faq-item[open] summary::before{transform:translateY(-50%) scaleY(0)}
.faq-body{padding:8px 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}
@media (max-width:575px){
  .faq-item summary{font-size:15px;padding:12px 48px 12px 16px}
  .faq-body{padding:6px 16px 18px;font-size:14.5px}
}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.news-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#C7D8EA}
.news-thumb{display:block;aspect-ratio:16/10;background:linear-gradient(135deg,var(--brand-soft),var(--accent-soft));overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-tag{align-self:flex-start;font-size:12px;font-weight:600;color:var(--brand);background:var(--brand-soft);border-radius:var(--r-pill);padding:3px 10px;margin-bottom:12px}
.news-title{font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a{color:inherit}
.news-title a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.news-excerpt{margin-top:10px;font-size:14px;line-height:1.75;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);margin-top:18px}
.news-date{font-size:13px;color:var(--ink-3)}
.empty-state{
  grid-column:1/-1;min-height:220px;border:1px dashed var(--line);border-radius:var(--r-lg);
  background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:36px 24px;text-align:center;
}
.empty-state svg{color:var(--brand);opacity:.7}
.empty-state p{font-size:15px;color:var(--ink-2)}
.news-more{margin-top:28px;text-align:center}
@media (max-width:1199px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:767px){.news-grid{grid-template-columns:1fr;gap:16px}}

/* ============ 页脚 ============ */
.site-footer{background:#14212D;color:#C3CEDA;margin-top:24px;border-top:1px solid rgba(42,92,138,.5)}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding:60px 0 40px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.45)}
.footer-brand .brand-mark span{border-color:#D8AE79}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.85;color:#93A3B3;max-width:280px}
.footer-contact{margin-top:16px;font-size:14px;color:#93A3B3;line-height:1.9}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:#A9B8C6;transition:color .2s ease}
.footer-links a:hover{color:#D8AE79}
.footer-qr{width:112px;height:112px;border-radius:var(--r-md);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;color:#93A3B3;font-size:12px;text-align:center;line-height:1.6}
.footer-qr-note{margin-top:10px;font-size:13px;color:#93A3B3}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8496A6}
.footer-bottom a{color:#A9B8C6}
.footer-bottom a:hover{color:#D8AE79}
@media (max-width:991px){
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 30px}
}
@media (max-width:575px){
  .footer-top{grid-template-columns:1fr;gap:26px}
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:26px;bottom:26px;width:48px;height:48px;border-radius:50%;
  background:var(--brand);color:#fff;border:0;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,background .2s ease,visibility .25s;z-index:70;
}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--brand-deep)}
@media (max-width:575px){.to-top{right:16px;bottom:72px;width:44px;height:44px}}

/* roulang page: article */
:root{
  --brand:#2A5C8A;
  --brand-deep:#1C4368;
  --brand-soft:#E8F0F8;
  --accent:#B07C3E;
  --accent-soft:#F6EEE3;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --line:#DDE5EE;
  --line-warm:#E7DFD4;
  --ink:#16212C;
  --ink-2:#4A5B6B;
  --ink-3:#8795A3;
  --ok:#2F7A5A;
  --warn:#B4622A;
  --err:#C0392B;
  --r-s:6px;
  --r-m:10px;
  --r-l:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,58,94,.06);
  --sh-2:0 6px 18px rgba(18,58,94,.08);
  --sh-3:0 16px 40px rgba(18,58,94,.10);
  --gap-block:88px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:3px solid rgba(42,92,138,.25);outline-offset:2px;border-radius:4px}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
@media(min-width:1400px){.wrap{max-width:1320px}}

/* ============ 按钮体系 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;
  height:46px;padding:0 22px;border-radius:var(--r-m);
  background:var(--brand);color:#fff;font-weight:500;font-size:15px;
  border:1px solid var(--brand);
  transition:background .2s,transform .2s,box-shadow .2s,border-color .2s;
}
.btn-brand:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:none;box-shadow:none}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:46px;padding:0 22px;border-radius:var(--r-m);
  background:transparent;color:var(--brand);font-weight:500;font-size:15px;
  border:1px solid rgba(42,92,138,.4);
  transition:background .2s,border-color .2s,color .2s;
}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-deep)}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;
  height:46px;padding:0 22px;border-radius:var(--r-m);
  background:var(--accent);color:#fff;font-weight:500;font-size:15px;
  transition:background .2s,transform .2s,box-shadow .2s;
}
.btn-accent:hover{background:#98682F;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:500;font-size:14px;
}
.btn-link::after{content:"→";transition:transform .2s}
.btn-link:hover::after{transform:translateX(3px)}
.btn[disabled],.btn-brand[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s,background .25s;
}
.site-header.is-scrolled{background:rgba(255,255,255,.96);box-shadow:var(--sh-2)}
.topbar-inner{
  display:flex;align-items:center;gap:20px;
  height:64px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:30px;height:30px;border-radius:50%;
  border:1.6px solid var(--brand);display:inline-flex;align-items:center;justify-content:center;
  flex:none;
}
.brand-mark span{
  display:block;width:11px;height:14px;
  border:1.6px solid var(--accent);border-bottom:0;
  border-radius:8px 8px 0 0;
}
.brand-name{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.5px;line-height:1}
.brand-name em{font-style:normal;color:var(--brand);font-weight:600;margin-left:2px}
.topbar-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-form{
  display:flex;align-items:center;
  width:220px;height:38px;border-radius:var(--r-pill);
  background:var(--bg);border:1px solid var(--line);
  padding:0 4px 0 14px;transition:border-color .2s,box-shadow .2s,background .2s;
}
.search-form:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(42,92,138,.12)}
.search-form input{
  flex:1;min-width:0;border:0;background:transparent;font-size:14px;color:var(--ink);height:36px;
}
.search-form input::placeholder{color:var(--ink-3)}
.search-form button{
  width:32px;height:32px;border-radius:50%;color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;transition:background .2s,color .2s;
}
.search-form button:hover{background:var(--brand-soft);color:var(--brand)}
.search-toggle{display:none;width:38px;height:38px;border-radius:50%;color:var(--ink-2);align-items:center;justify-content:center;border:1px solid var(--line)}
.search-toggle:hover{background:var(--brand-soft);color:var(--brand)}
.header-cta{height:38px;padding:0 18px;font-size:14px;opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}
.header-cta.is-visible{opacity:1;visibility:visible}
.nav-toggle{
  display:none;width:38px;height:38px;border-radius:var(--r-s);
  align-items:center;justify-content:center;color:var(--ink);border:1px solid var(--line);
}
.nav-toggle:hover{background:var(--brand-soft)}
.mobile-search{display:none;padding:0 0 12px}
.mobile-search form{display:flex;gap:8px}
.mobile-search input{
  flex:1;height:44px;border:1px solid var(--line);border-radius:var(--r-m);
  padding:0 14px;background:#fff;font-size:14px;
}
.mobile-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(42,92,138,.12)}
.mobile-search button{
  height:44px;padding:0 18px;border-radius:var(--r-m);background:var(--brand);color:#fff;font-size:14px;
}

.channel-bar{background:#fff;border-top:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;gap:24px;min-height:48px;flex-wrap:wrap}
.channel-list{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.channel-list a{
  position:relative;display:inline-block;
  padding:13px 0;font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .2s;
}
.channel-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s;
}
.channel-list a:hover{color:var(--brand)}
.channel-list a:hover::after{transform:scaleX(1)}
.channel-list a.active{color:var(--brand);font-weight:600}
.channel-list a.active::after{transform:scaleX(1)}
.hotwords{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:wrap}
.hotwords-label{font-size:12px;color:var(--ink-3)}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand);
  font-size:12px;border:1px solid transparent;transition:border-color .2s,background .2s;
}
.chip:hover{border-color:var(--brand);background:#fff;color:var(--brand-deep)}

/* ============ 面包屑 ============ */
.crumb-bar{padding:20px 0 24px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}
.crumb a{color:var(--ink-2);transition:color .2s}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--ink-3)}
.crumb .current{color:var(--ink);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章主体 ============ */
.article-shell{
  display:flex;gap:48px;align-items:flex-start;
  padding-bottom:72px;
}
.article-main{flex:1 1 auto;min-width:0;max-width:760px}
.article-head{margin-bottom:28px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;
  border-radius:var(--r-s);background:var(--accent-soft);color:var(--accent);
  font-size:12px;letter-spacing:.5px;margin-bottom:16px;
}
.kicker::before{content:"";width:3px;height:12px;background:var(--accent);border-radius:2px}
.article-title{
  font-size:34px;font-weight:700;line-height:1.35;color:var(--ink);
  margin-bottom:16px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--ink-3);padding-bottom:20px;border-bottom:1px solid var(--line);
}
.article-meta .dot{color:var(--line)}
.article-meta a{color:var(--ink-2)}
.article-meta a:hover{color:var(--brand)}

.article-body{
  font-size:17px;line-height:1.95;color:var(--ink);
  padding-top:28px;
}
.article-body > * + *{margin-top:1.15em}
.article-body h2{
  font-size:30px;font-weight:600;line-height:1.35;color:var(--ink);
  margin-top:40px;margin-bottom:16px;
}
.article-body h3{
  font-size:22px;font-weight:600;line-height:1.4;color:var(--ink);
  margin-top:30px;margin-bottom:12px;
}
.article-body p{color:var(--ink)}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(42,92,138,.3)}
.article-body a:hover{border-bottom-color:var(--brand)}
.article-body ul,.article-body ol{padding-left:1.4em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.55em 0;line-height:1.9}
.article-body li::marker{color:var(--brand)}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  background:var(--brand-soft);border-left:4px solid var(--accent);
  border-radius:0 var(--r-m) var(--r-m) 0;color:var(--ink-2);font-style:normal;
}
.article-body blockquote p{margin:0}
.article-body img{
  border-radius:var(--r-m);border:1px solid var(--line);margin:24px auto;
}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--brand-soft);color:var(--brand-deep);font-weight:600}
.article-body code{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-s);
  padding:2px 6px;font-size:14px;color:var(--brand-deep);
}
.article-body hr{border:0;border-top:1px solid var(--line-warm);margin:36px 0}

/* 标签行 */
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.article-tags .tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--bg);border:1px solid var(--line);font-size:13px;color:var(--ink-2);
  transition:border-color .2s,color .2s,background .2s;
}
.article-tags .tag:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}

/* 目录 */
.toc{
  flex:0 0 260px;position:sticky;top:132px;align-self:flex-start;
  display:none;
}
.toc-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  padding:18px 20px;box-shadow:var(--sh-1);max-height:calc(100vh - 190px);overflow:auto;
}
.toc-title{font-size:13px;color:var(--ink-3);letter-spacing:1px;margin-bottom:12px}
.toc-list li{margin:2px 0}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--ink-2);
  padding:5px 0 5px 12px;border-left:2px solid transparent;transition:color .2s,border-color .2s;
}
.toc-list a:hover{color:var(--brand)}
.toc-list a.lv3{padding-left:26px;font-size:13px;color:var(--ink-3)}
.toc-list a.current{color:var(--brand);border-left-color:var(--brand);font-weight:500}
.toc-mobile{display:block;margin-bottom:24px}
.toc-mobile details{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);padding:0 18px;
}
.toc-mobile summary{
  list-style:none;cursor:pointer;height:52px;display:flex;align-items:center;justify-content:space-between;
  font-size:14px;color:var(--ink);font-weight:500;
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"+";color:var(--brand);font-size:18px;line-height:1}
.toc-mobile details[open] summary::after{content:"−"}
.toc-mobile .toc-list{padding-bottom:14px}

/* 空态 */
.empty-state{
  background:var(--brand-soft);
  border:1px dashed rgba(42,92,138,.35);
  border-radius:var(--r-l);
  padding:52px 28px;text-align:center;
}
.empty-state .ico{
  width:52px;height:52px;margin:0 auto 16px;border-radius:50%;
  background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:16px}

/* 返回入口 */
.back-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:44px}

/* ============ 延伸阅读 ============ */
.section{padding:var(--gap-block) 0}
.section-head{margin-bottom:28px;max-width:760px}
.section-head h2{font-size:28px;font-weight:600;color:var(--ink);margin-bottom:10px}
.section-head p{font-size:15px;color:var(--ink-2)}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#C9DBEC}
.rel-thumb{position:relative;aspect-ratio:16/10;background:linear-gradient(135deg,var(--brand-soft),var(--accent-soft));overflow:hidden}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.rel-body h3{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:8px;line-height:1.5}
.rel-card:hover .rel-body h3{color:var(--brand)}
.rel-body p{font-size:14px;color:var(--ink-2);line-height:1.75;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:10px;max-width:860px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item.open{border-color:#C9DBEC;box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:12px 22px;text-align:left;font-size:16px;font-weight:500;color:var(--ink);
  transition:background .2s,color .2s;
}
.faq-q:hover{background:var(--brand-soft);color:var(--brand-deep)}
.faq-item.open .faq-q{background:var(--brand-soft);color:var(--brand-deep)}
.faq-q::after{content:"+";font-size:20px;line-height:1;color:var(--brand);flex:none;transition:transform .2s}
.faq-item.open .faq-q::after{content:"−"}
.faq-a{display:none;padding:8px 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.faq-item.open .faq-a{display:block}

/* ============ CTA ============ */
.cta-band{
  background:var(--brand-soft);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:44px 40px;
  display:flex;align-items:center;gap:32px;justify-content:space-between;flex-wrap:wrap;
}
.cta-band h2{font-size:26px;font-weight:600;color:var(--brand-deep);margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--ink-2);max-width:56ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:#12212E;color:#C7D3DE;margin-top:24px;padding:64px 0 26px}
.site-footer .brand-name{color:#fff}
.site-footer .brand-name em{color:#8FB6DA}
.site-footer .brand-mark{border-color:#3E6C96}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{font-size:14px;line-height:1.85;color:#98A9B8;margin:16px 0 18px;max-width:34ch}
.footer-contact{font-size:13px;color:#8B9CAB;line-height:2}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.5px}
.footer-links li{margin:9px 0}
.footer-links a{font-size:14px;color:#A9BAC9;transition:color .2s}
.footer-links a:hover{color:var(--accent)}
.footer-qr{
  width:112px;height:112px;border-radius:var(--r-m);
  border:1px dashed rgba(255,255,255,.28);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;color:#8B9CAB;line-height:1.7;padding:8px;
}
.footer-qr-note{font-size:12px;color:#7C8C9B;margin-top:12px;line-height:1.8;max-width:24ch}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#7C8C9B;
}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;
  background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s,background .2s;
  z-index:800;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--brand-deep)}

@media(min-width:1200px){
  .toc{display:block}
  .toc-mobile{display:none}
}
@media(max-width:1199px){
  .article-shell{flex-direction:column;gap:0}
  .article-main{max-width:100%}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:991px){
  :root{--gap-block:64px}
  .search-form{display:none}
  .search-toggle{display:inline-flex}
  .nav-toggle{display:inline-flex}
  .channel-inner{display:none;padding:0 0 14px}
  .site-header.nav-open .channel-inner{display:block}
  .site-header.nav-open .channel-list{flex-direction:column;align-items:flex-start;gap:0;width:100%}
  .channel-list a{width:100%;padding:12px 0;border-bottom:1px solid var(--line)}
  .channel-list a::after{display:none}
  .hotwords{margin-left:0;padding-top:12px}
  .mobile-search.open{display:block}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .article-title{font-size:28px}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:24px;margin-top:34px}
  .article-body h3{font-size:19px}
  .section-head h2{font-size:24px}
}
@media(max-width:575px){
  .wrap{padding:0 16px}
  .brand-name{font-size:16px}
  .brand-mark{width:26px;height:26px}
  .header-cta{display:none}
  .article-title{font-size:24px}
  .rel-grid{grid-template-columns:1fr}
  .cta-band{padding:30px 22px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%}
  .footer-top{grid-template-columns:1fr}
  .to-top{right:16px;bottom:18px}
  .crumb .current{max-width:22ch}
}

/* roulang page: category1 */
:root{
  --brand:#2A5C8A;
  --brand-deep:#1C4368;
  --brand-soft:#E8F0F8;
  --accent:#B07C3E;
  --accent-soft:#F6EEE3;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --line:#DDE5EE;
  --line-warm:#E7DFD4;
  --ink:#16212C;
  --ink-2:#4A5B6B;
  --ink-3:#8795A3;
  --ok:#2F7A5A;
  --warn:#B4622A;
  --err:#C0392B;
  --r-s:6px;
  --r-m:10px;
  --r-l:14px;
  --sh-1:0 1px 2px rgba(18,58,94,.06);
  --sh-2:0 6px 18px rgba(18,58,94,.08);
  --sh-3:0 16px 40px rgba(18,58,94,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.32;color:var(--ink);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(42,92,138,.25);outline-offset:2px;border-radius:4px;}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;}
.section-head h2{font-size:28px;}
.section-head p{margin:8px 0 0;color:var(--ink-2);font-size:15px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--accent);letter-spacing:.04em;}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--accent);border-radius:2px;}
.badge-tag{display:inline-block;font-size:12px;line-height:1;padding:6px 10px;border-radius:var(--r-s);background:var(--brand-soft);color:var(--brand);font-weight:500;}
.badge-tag.warm{background:var(--accent-soft);color:var(--accent);}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-m);
  font-size:15px;font-weight:500;border:1px solid transparent;
  cursor:pointer;transition:all .18s ease;white-space:nowrap;
}
.btn-brand{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn-brand:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-brand:active{transform:none;box-shadow:none;}
.btn-ghost{background:transparent;border-color:rgba(42,92,138,.4);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-deep);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--sh-1);}
.btn-accent:hover{background:#9a6b33;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-brand:disabled,.btn-accent:disabled{opacity:.55;cursor:not-allowed;transform:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--brand);}
.link-arrow::after{content:"→";transition:transform .18s ease;}
.link-arrow:hover::after{transform:translateX(2px);}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease,background .22s ease;
}
.site-header.scrolled{box-shadow:var(--sh-2);background:rgba(255,255,255,.96);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;}
.brand-mark{
  width:34px;height:34px;border-radius:50%;
  border:2px solid var(--brand);position:relative;flex:0 0 34px;
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-mark span{display:block;width:2px;height:18px;background:var(--accent);border-radius:2px;}
.brand-mark::after{content:"";position:absolute;width:16px;height:14px;border:2px solid var(--brand);border-bottom:none;border-radius:16px 16px 0 0;top:7px;}
.brand-name{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.brand-name em{font-style:normal;color:var(--brand);font-weight:600;}
.topbar-tools{display:flex;align-items:center;gap:12px;}
.search-form{display:flex;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:0 6px 0 16px;height:42px;width:240px;transition:border-color .18s ease;}
.search-form:focus-within{border-color:var(--brand);}
.search-form input{flex:1;border:0;background:transparent;height:40px;outline:none;font-size:14px;}
.search-form button{width:32px;height:32px;border:0;border-radius:50%;background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;}
.search-form button:hover{background:var(--brand-deep);}
.search-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:var(--r-m);align-items:center;justify-content:center;cursor:pointer;color:var(--ink-2);}
.header-cta{opacity:0;visibility:hidden;transform:translateY(-6px);transition:all .22s ease;}
.header-cta.show{opacity:1;visibility:visible;transform:none;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:var(--r-m);align-items:center;justify-content:center;cursor:pointer;color:var(--ink-2);}
.mobile-search{display:none;padding:0 0 12px;}
.mobile-search form{display:flex;gap:10px;}
.mobile-search input{flex:1;height:46px;border:1px solid var(--line);border-radius:var(--r-m);padding:0 14px;outline:none;}
.mobile-search input:focus{border-color:var(--brand);}
.mobile-search button{height:46px;padding:0 18px;border:0;border-radius:var(--r-m);background:var(--brand);color:#fff;cursor:pointer;}

.channel-bar{border-top:1px solid var(--line);background:#fff;}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:48px;}
.channel-list{display:flex;align-items:center;gap:4px;}
.channel-list a{
  display:inline-block;position:relative;
  font-size:15px;font-weight:500;color:var(--ink-2);
  padding:14px 14px;line-height:1;
}
.channel-list a:hover{color:var(--brand);}
.channel-list a.active{color:var(--brand);}
.channel-list a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;background:var(--brand);border-radius:2px;}
.hotwords{display:flex;align-items:center;gap:8px;}
.hotwords-label{font-size:12px;color:var(--ink-3);}
.chip{
  display:inline-block;font-size:12px;line-height:1;
  padding:7px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
  border:1px solid transparent;transition:all .18s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand-deep);background:#fff;}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:20px 0 0;}
.crumb{font-size:13px;color:var(--ink-2);}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb span.sep{margin:0 8px;color:var(--ink-3);}
.crumb strong{font-weight:500;color:var(--ink);}

/* ---------- 页头 ---------- */
.page-head{padding:18px 0 40px;border-bottom:1px solid var(--line-warm);}
.page-head h1{font-size:36px;line-height:1.3;max-width:880px;}
.page-head .lead{margin-top:16px;font-size:16px;color:var(--ink-2);max-width:760px;}
.page-head .meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

/* ---------- 主体布局 ---------- */
.list-layout{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:start;}

.post-item{
  display:grid;grid-template-columns:280px minmax(0,1fr);gap:24px;
  padding:28px 0;border-bottom:1px solid var(--line);
}
.post-item:first-child{padding-top:0;}
.post-thumb{
  position:relative;border-radius:var(--r-m);overflow:hidden;
  border:1px solid var(--line);background:linear-gradient(135deg,var(--brand-soft),var(--accent-soft));
  aspect-ratio:16/10;
}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-item:hover .post-thumb img{transform:scale(1.03);}
.post-body h3{font-size:21px;line-height:1.4;margin-bottom:12px;}
.post-body h3 a{color:var(--ink);}
.post-body h3 a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.post-body p{font-size:15px;color:var(--ink-2);line-height:1.8;}
.post-foot{display:flex;align-items:center;gap:14px;margin-top:14px;font-size:13px;color:var(--ink-3);}
.post-foot .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-3);}

/* ---------- 侧栏 ---------- */
.side-col{position:sticky;top:96px;display:flex;flex-direction:column;gap:24px;}
.panel{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-l);padding:24px;box-shadow:var(--sh-1);
}
.panel h3{font-size:18px;margin-bottom:16px;}
.panel-title-line{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.panel-title-line::before{content:"";width:4px;height:16px;background:var(--accent);border-radius:2px;}
.panel-title-line h3{margin:0;font-size:18px;}
.point-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line-warm);font-size:15px;color:var(--ink-2);}
.point-list li:last-child{border-bottom:0;padding-bottom:0;}
.point-list li b{color:var(--ink);font-weight:600;}
.point-num{
  flex:0 0 24px;height:24px;border-radius:var(--r-s);
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;
}
.cta-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh-2);overflow:hidden;
}
.cta-card .cta-top{height:4px;background:var(--accent);}
.cta-card .cta-inner{padding:24px;}
.cta-card h3{font-size:19px;margin-bottom:10px;}
.cta-card p{font-size:14px;color:var(--ink-2);margin-bottom:18px;}
.cta-card .btn-accent{width:100%;}
.side-links li{border-bottom:1px solid var(--line);}
.side-links li:last-child{border-bottom:0;}
.side-links a{display:flex;align-items:center;justify-content:space-between;padding:12px 0;font-size:15px;color:var(--ink-2);}
.side-links a::after{content:"→";color:var(--ink-3);font-size:13px;transition:transform .18s ease;}
.side-links a:hover{color:var(--brand);}
.side-links a:hover::after{transform:translateX(3px);color:var(--brand);}

/* ---------- 数据条 ---------- */
.stats-strip{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-item{padding:8px 0 8px 18px;border-left:3px solid var(--accent-soft);}
.stat-item strong{display:block;font-size:30px;font-weight:700;color:var(--brand);line-height:1.2;}
.stat-item span{display:block;margin-top:6px;font-size:14px;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:10px;max-width:900px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh-1);overflow:hidden;transition:border-color .18s ease;}
.faq-item:hover{border-color:#cbd9e8;}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 20px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:500;color:var(--ink);cursor:pointer;transition:background .18s ease;
}
.faq-q:hover{background:var(--brand-soft);}
.faq-item.open .faq-q{background:var(--brand-soft);color:var(--brand-deep);}
.faq-icon{position:relative;flex:0 0 18px;height:18px;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .22s ease,opacity .22s ease;}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a-inner{padding:8px 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ---------- CTA 表单 ---------- */
.cta-band{
  position:relative;
  background:linear-gradient(rgba(247,249,252,.9),rgba(247,249,252,.9)),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-band .inner{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:center;}
.cta-band h2{font-size:30px;margin-bottom:14px;}
.cta-band .desc{font-size:16px;color:var(--ink-2);margin-bottom:20px;}
.cta-points li{position:relative;padding-left:20px;font-size:15px;color:var(--ink-2);margin-bottom:8px;}
.cta-points li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--accent);}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);box-shadow:var(--sh-3);padding:28px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13px;color:var(--ink-2);font-weight:500;}
.field input,.field select,.field textarea{
  height:48px;border:1px solid var(--line);border-radius:var(--r-m);
  padding:0 14px;background:#fff;outline:none;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(42,92,138,.14);}
.field .hint{font-size:12px;color:var(--ink-3);}
.form-actions{display:flex;align-items:center;gap:16px;margin-top:20px;flex-wrap:wrap;}
.form-note{font-size:13px;color:var(--ink-3);}
.form-success{
  display:none;margin-top:18px;padding:16px 18px;border-radius:var(--r-m);
  background:var(--brand-soft);border:1px solid #c8dcf0;color:var(--brand-deep);font-size:14px;
}
.form-success.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:#16212C;color:#C7D2DC;margin-top:0;padding:64px 0 28px;}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-name em{color:#9FC0DF;}
.site-footer .brand-mark{border-color:#9FC0DF;}
.site-footer .brand-mark::after{border-color:#9FC0DF;}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(176,124,62,.28);}
.footer-brand p{font-size:14px;line-height:1.8;color:#A9B7C4;margin:16px 0 0;max-width:340px;}
.footer-contact{margin-top:16px;font-size:13px;line-height:2;color:#8795A3;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:#A9B7C4;}
.footer-links a:hover{color:var(--accent);}
.footer-qr{
  width:120px;height:120px;border-radius:var(--r-m);
  background:rgba(255,255,255,.06);border:1px dashed rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.6;color:#A9B7C4;
}
.footer-qr-note{margin-top:14px;font-size:12px;color:#7C8B99;line-height:1.7;}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;font-size:13px;color:#7C8B99;}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:28px;bottom:28px;width:48px;height:48px;border-radius:50%;
  background:var(--brand);color:#fff;border:0;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:all .22s ease;z-index:1040;
}
.back-top.show{opacity:1;visibility:visible;transform:none;}
.back-top:hover{background:var(--brand-deep);}

/* ---------- 响应式 ---------- */
@media (max-width:1399.98px){
  :root{--container:1200px;}
}
@media (max-width:1199.98px){
  .list-layout{grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:36px;}
  .post-item{grid-template-columns:240px minmax(0,1fr);gap:20px;}
  .cta-band .inner{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:991.98px){
  .search-form{display:none;}
  .search-toggle{display:inline-flex;}
  .nav-toggle{display:inline-flex;}
  .channel-bar{display:none;border-top:1px solid var(--line);}
  .channel-bar.open{display:block;}
  .channel-inner{flex-direction:column;align-items:flex-start;padding:12px 24px 18px;gap:14px;}
  .channel-list{flex-direction:column;align-items:flex-start;width:100%;gap:0;}
  .channel-list a{padding:12px 0;width:100%;font-size:15px;}
  .channel-list a.active::after{left:0;right:auto;width:32px;bottom:6px;}
  .hotwords{flex-wrap:wrap;}
  .list-layout{grid-template-columns:1fr;gap:36px;}
  .side-col{position:static;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:20px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:56px 0;}
  .page-head h1{font-size:30px;}
  .cta-band h2{font-size:26px;}
}
@media (max-width:767.98px){
  .post-item{grid-template-columns:1fr;gap:16px;}
  .post-thumb{aspect-ratio:16/9;}
  .form-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px;}
  body{font-size:16px;}
  .page-head h1{font-size:26px;}
  .section-head h2{font-size:22px;}
  .section{padding:48px 0;}
  .topbar-inner{min-height:56px;}
  .brand-name{font-size:17px;}
  .header-cta{height:40px;padding:0 14px;font-size:14px;}
  .post-body h3{font-size:19px;}
  .stats-grid{grid-template-columns:1fr;gap:14px;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .form-card{padding:20px;}
  .cta-band h2{font-size:22px;}
  .back-top{right:16px;bottom:76px;}
  .btn-brand,.btn-ghost,.btn-accent{height:48px;}
  .form-actions .btn-accent{width:100%;}
}

/* roulang page: category2 */
:root{
  --brand:#2A5C8A;
  --brand-deep:#1C4368;
  --brand-soft:#E8F0F8;
  --accent:#B07C3E;
  --accent-soft:#F6EEE3;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --line:#DDE5EE;
  --line-warm:#E7DFD4;
  --ink:#16212C;
  --ink-2:#4A5B6B;
  --ink-3:#8795A3;
  --sh-1:0 1px 2px rgba(18,58,94,.06);
  --sh-2:0 6px 18px rgba(18,58,94,.08);
  --sh-3:0 16px 40px rgba(18,58,94,.10);
  --r-s:6px;
  --r-m:10px;
  --r-l:14px;
  --r-p:999px;
  --head-h:84px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(42,92,138,.25);outline-offset:2px;border-radius:6px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.num{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-m);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .2s ease;white-space:nowrap;
}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:none;box-shadow:none}
.btn-ghost{background:transparent;color:var(--brand);border-color:rgba(42,92,138,.4)}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-deep)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#986a32;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
}
.btn-link-arrow::after{content:"→";transition:transform .2s ease}
.btn-link-arrow:hover::after{transform:translateX(2px)}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.96);box-shadow:var(--sh-2);backdrop-filter:blur(8px)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:28px;height:28px;border-radius:50%;
  border:2px solid var(--brand);position:relative;flex:0 0 28px;
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-mark::before{
  content:"";position:absolute;inset:5px 5px 5px 5px;
  border:1.5px solid var(--accent);border-radius:50%;
}
.brand-mark span{width:2px;height:12px;background:var(--brand);display:block;border-radius:1px}
.brand-name{font-size:18px;font-weight:700;letter-spacing:.4px}
.brand-name em{font-style:normal;color:var(--brand);margin-left:2px}
.topbar-tools{display:flex;align-items:center;gap:12px}
.search-form{display:flex;align-items:center;width:220px;height:38px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-p);overflow:hidden}
.search-form input{flex:1;border:0;background:transparent;padding:0 14px;font-size:14px;color:var(--ink);outline:none;min-width:0}
.search-form button{width:42px;height:100%;border:0;background:transparent;color:var(--brand);display:flex;align-items:center;justify-content:center;cursor:pointer}
.search-form button:hover{background:var(--brand-soft)}
.search-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--r-m);color:var(--brand);align-items:center;justify-content:center;cursor:pointer}
.header-cta{height:38px;padding:0 18px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .25s ease}
.header-cta.show{opacity:1;pointer-events:auto}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--r-m);color:var(--ink);align-items:center;justify-content:center;cursor:pointer}
.mobile-search{display:none;padding:0 0 12px}
.mobile-search form{display:flex;gap:8px}
.mobile-search input{flex:1;height:44px;border:1px solid var(--line);border-radius:var(--r-m);padding:0 14px;font-size:15px;background:#fff;outline:none}
.mobile-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(42,92,138,.15)}
.mobile-search button{height:44px;padding:0 18px;border:0;border-radius:var(--r-m);background:var(--brand);color:#fff;font-weight:600;cursor:pointer}

.channel-bar{border-top:1px solid var(--line);background:#fff}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:44px;flex-wrap:wrap}
.channel-list{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.channel-list a{
  display:inline-block;padding:12px 12px;font-size:15px;font-weight:500;color:var(--ink-2);position:relative;
}
.channel-list a:hover{color:var(--brand)}
.channel-list a.active{color:var(--brand);font-weight:600}
.channel-list a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--brand);border-radius:2px;
}
.hotwords{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:8px 0}
.hotwords-label{font-size:12px;color:var(--ink-3)}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-p);
  background:var(--brand-soft);color:var(--brand);font-size:12px;border:1px solid transparent;transition:all .18s ease;
}
.chip:hover{border-color:var(--brand);background:#fff}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 0;font-size:13px;color:var(--ink-2)}
.crumb ol{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumb li::after{content:"›";margin-left:6px;color:var(--ink-3)}
.crumb li:last-child::after{content:""}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand)}
.crumb .current{color:var(--ink)}

/* ---------- 分类页2 通栏 hero ---------- */
.cat-hero{
  position:relative;margin-top:20px;border-radius:var(--r-l);overflow:hidden;
  min-height:280px;display:flex;align-items:center;
  border:1px solid var(--line);box-shadow:var(--sh-1);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
}
.cat-hero::after{content:"";position:absolute;inset:0;background:rgba(247,249,252,.86)}
.cat-hero .hero-body{position:relative;z-index:2;padding:52px 44px;max-width:800px}
.cat-hero .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--accent);
  background:var(--accent-soft);border-radius:var(--r-p);padding:4px 12px;margin-bottom:16px;
}
.cat-hero h1{font-size:38px;line-height:1.28;color:var(--ink)}
.cat-hero h1 span{color:var(--brand)}
.cat-hero .hero-sub{margin-top:12px;font-size:17px;color:var(--ink-2);max-width:520px}
.cat-hero .hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
.cat-hero .hero-tags span{
  font-size:12px;color:var(--brand);background:#fff;border:1px solid var(--line);
  border-radius:var(--r-p);padding:4px 12px;
}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0 0}
.section-head{max-width:760px;margin-bottom:28px}
.section-head .eyebrow{
  font-size:12px;letter-spacing:1px;color:var(--accent);font-weight:600;display:block;margin-bottom:10px;
}
.section-head h2{font-size:29px;color:var(--ink)}
.section-head p{margin-top:12px;font-size:16px;color:var(--ink-2)}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1);
}
.stat-strip .stat{background:#fff;padding:24px 22px}
.stat-strip .stat b{display:block;font-size:26px;color:var(--brand);font-weight:700;line-height:1.2}
.stat-strip .stat span{display:block;margin-top:8px;font-size:13px;color:var(--ink-3)}

/* ---------- 两列大图卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.tcard{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.tcard:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--brand-soft)}
.tcard .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft)}
.tcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.tcard:hover .thumb img{transform:scale(1.03)}
.tcard .tag{
  position:absolute;left:14px;top:14px;font-size:12px;background:rgba(255,255,255,.94);
  color:var(--brand);border-radius:var(--r-s);padding:3px 10px;border:1px solid var(--line);
}
.tcard .body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.tcard h3{font-size:21px;color:var(--ink);transition:color .2s ease}
.tcard:hover h3{color:var(--brand)}
.tcard p{margin-top:12px;font-size:15px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tcard .meta{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);
}

/* ---------- 关注方向 ---------- */
.focus-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start}
.focus-list li{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);
}
.focus-list li:first-child{padding-top:0}
.focus-list .idx{
  flex:0 0 34px;height:34px;border-radius:var(--r-s);background:var(--brand-soft);color:var(--brand);
  font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.focus-list h3{font-size:18px;margin-bottom:6px}
.focus-list p{font-size:15px;color:var(--ink-2)}
.focus-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  padding:28px;box-shadow:var(--sh-1);border-top:3px solid var(--accent);
}
.focus-panel h3{font-size:19px}
.focus-panel ul{margin-top:16px}
.focus-panel li{
  position:relative;padding-left:20px;font-size:15px;color:var(--ink-2);margin-bottom:12px;line-height:1.7;
}
.focus-panel li::before{
  content:"";position:absolute;left:2px;top:10px;width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.focus-panel .panel-foot{margin-top:20px;padding-top:18px;border-top:1px solid var(--line-warm)}

/* ---------- 横向 CTA 条 ---------- */
.cta-strip{
  margin-top:76px;background:var(--brand-soft);border:1px solid var(--line);
  border-radius:var(--r-l);padding:34px 36px;display:flex;align-items:center;
  justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-strip h2{font-size:24px;color:var(--brand-deep)}
.cta-strip p{margin-top:8px;font-size:15px;color:var(--ink-2);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:88px;background:#16212C;color:#C6D1DC;padding:64px 0 28px;border-top:3px solid var(--brand)}
.site-footer .brand{color:#fff}
.site-footer .brand-name em{color:#9CC0E2}
.site-footer .brand-mark{border-color:#9CC0E2}
.site-footer .brand-mark span{background:#9CC0E2}
.site-footer .brand-mark::before{border-color:var(--accent)}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand p{margin-top:16px;font-size:14px;color:#94A5B4;line-height:1.8;max-width:320px}
.footer-contact{margin-top:16px;font-size:13px;color:#8795A3;line-height:1.9}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:#B7C4D1}
.footer-links a:hover{color:var(--accent)}
.footer-qr{
  width:112px;height:112px;border-radius:var(--r-m);background:#22303D;border:1px dashed #3B4B5A;
  display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;color:#8795A3;line-height:1.6;
}
.footer-qr-note{margin-top:12px;font-size:12px;color:#8795A3;line-height:1.7;max-width:220px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(156,192,226,.18);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#8795A3;
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;
  background:var(--brand);color:#fff;border:0;display:flex;align-items:center;justify-content:center;
  cursor:pointer;box-shadow:var(--sh-2);opacity:0;pointer-events:none;transition:all .25s ease;z-index:900;
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--brand-deep);transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (min-width:1400px){
  .wrap{max-width:1320px}
}
@media (max-width:1199px){
  .cat-hero h1{font-size:34px}
}
@media (max-width:991px){
  .search-form{display:none}
  .search-toggle{display:flex}
  .nav-toggle{display:flex;margin-left:4px}
  .header-cta{display:none}
  .channel-bar{
    display:none;position:absolute;left:0;right:0;top:56px;background:#fff;
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);box-shadow:var(--sh-2);
    max-height:calc(100vh - 56px);overflow-y:auto;
  }
  .channel-bar.open{display:block}
  .channel-inner{flex-direction:column;align-items:flex-start;gap:6px;padding:14px 24px 22px}
  .channel-list{flex-direction:column;align-items:stretch;width:100%}
  .channel-list a{padding:14px 6px;border-bottom:1px solid var(--line);font-size:15px;min-height:44px;display:flex;align-items:center}
  .channel-list a.active::after{left:6px;right:auto;width:28px;bottom:6px}
  .hotwords{padding-top:14px}
  .cat-hero .hero-body{padding:44px 30px}
  .card-grid{grid-template-columns:1fr;gap:22px}
  .focus-grid{grid-template-columns:1fr;gap:28px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:56px 0 0}
}
@media (max-width:767px){
  .cat-hero{min-height:240px}
  .cat-hero h1{font-size:28px}
  .cat-hero .hero-sub{font-size:16px}
  .cta-strip{padding:26px 22px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{flex:1}
  .section-head h2{font-size:23px}
}
@media (max-width:575px){
  .wrap{padding:0 16px}
  .brand-name{font-size:16px}
  .cat-hero .hero-body{padding:34px 20px}
  .cat-hero h1{font-size:25px}
  .stat-strip{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .tcard .body{padding:18px 18px 20px}
  .to-top{right:16px;bottom:76px}
}

/* roulang page: category3 */
:root{
  --brand:#2A5C8A;
  --brand-deep:#1C4368;
  --brand-soft:#E8F0F8;
  --accent:#B07C3E;
  --accent-soft:#F6EEE3;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --line:#DDE5EE;
  --line-warm:#E7DFD4;
  --ink:#16212C;
  --ink-2:#4A5B6B;
  --ink-3:#8795A3;
  --ok:#2F7A5A;
  --warn:#B4622A;
  --err:#C0392B;
  --r-s:6px;
  --r-m:10px;
  --r-l:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,58,94,.06);
  --sh-2:0 6px 18px rgba(18,58,94,.08);
  --sh-3:0 16px 40px rgba(18,58,94,.10);
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.2px;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(42,92,138,.28);outline-offset:2px;border-radius:4px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter);}

/* ============ 按钮体系 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border:0;border-radius:var(--r-m);
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  cursor:pointer;transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-brand:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-brand:active{transform:none;box-shadow:none;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-m);
  background:transparent;border:1px solid rgba(42,92,138,.4);color:var(--brand);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 24px;border:0;border-radius:var(--r-m);
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-accent:hover{background:#95682f;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-accent:active{transform:none;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.link-more::after{content:"→";transition:transform .2s ease;}
.link-more:hover::after{transform:translateX(3px);}
.link-more:hover{border-bottom-color:var(--brand);}
.btn-brand[disabled],.btn-ghost[disabled],.btn-accent[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background-color .25s ease;
  backdrop-filter:blur(8px);
}
.site-header.scrolled{box-shadow:var(--sh-2);background:rgba(255,255,255,.96);}
.topbar-inner{display:flex;align-items:center;gap:20px;min-height:40px;padding:12px 0;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:32px;height:32px;border-radius:50%;border:2px solid var(--brand);
  display:inline-flex;align-items:center;justify-content:center;position:relative;flex:0 0 32px;
}
.brand-mark span{display:block;width:2px;height:15px;background:var(--accent);border-radius:2px;}
.brand-mark::after{content:"";position:absolute;left:6px;right:6px;top:9px;height:11px;border:2px solid var(--brand);border-bottom:0;border-radius:12px 12px 0 0;opacity:.72;}
.brand-name{font-size:19px;font-weight:700;letter-spacing:.3px;}
.brand-name em{font-style:normal;color:var(--brand);}
.topbar-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-form{
  display:flex;align-items:center;width:220px;height:38px;padding:0 4px 0 14px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-form:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(42,92,138,.12);}
.search-form input{flex:1;min-width:0;border:0;background:transparent;font-size:14px;color:var(--ink);height:100%;}
.search-form input:focus{outline:none;}
.search-form button{
  width:32px;height:30px;border:0;border-radius:var(--r-pill);background:transparent;color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color .2s ease;
}
.search-form button:hover{background:var(--brand-soft);}
.search-toggle{display:none;width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r-m);background:#fff;color:var(--brand);align-items:center;justify-content:center;cursor:pointer;}
.nav-toggle{display:none;width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r-m);background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;}
.header-cta{opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;}
.site-header.scrolled .header-cta{opacity:1;visibility:visible;}
.mobile-search{display:none;padding:0 0 14px;}
.mobile-search form{display:flex;gap:8px;}
.mobile-search input{flex:1;height:44px;border:1px solid var(--line);border-radius:var(--r-m);padding:0 14px;font-size:15px;background:var(--bg);}
.mobile-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(42,92,138,.12);}
.mobile-search button{height:44px;padding:0 18px;border:0;border-radius:var(--r-m);background:var(--brand);color:#fff;font-size:15px;font-weight:600;cursor:pointer;}
.mobile-search.open{display:block;}

.channel-bar{background:#fff;border-top:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;gap:24px;min-height:44px;}
.channel-list{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.channel-list a{
  display:inline-block;position:relative;padding:12px 10px;font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .2s ease;
}
.channel-list a::after{
  content:"";position:absolute;left:10px;right:10px;bottom:4px;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.channel-list a:hover{color:var(--brand);}
.channel-list a:hover::after{transform:scaleX(1);}
.channel-list a.active{color:var(--brand);}
.channel-list a.active::after{transform:scaleX(1);}
.hotwords{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:wrap;padding:6px 0;}
.hotwords-label{font-size:12px;color:var(--ink-3);}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);font-size:12px;border:1px solid transparent;
  transition:border-color .2s ease,background-color .2s ease;
}
.chip:hover{border-color:var(--brand);background:#fff;color:var(--brand-deep);}
.nav-drawer-head{display:none;}

/* ============ 面包屑 ============ */
.crumb{padding:22px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--ink-2);}
.crumb li{display:flex;align-items:center;gap:6px;}
.crumb li+li::before{content:"›";color:var(--ink-3);}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb .current{color:var(--ink);}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section-sm{padding:48px 0;}
.section-head{margin-bottom:28px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent);
  letter-spacing:1px;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;background:var(--accent);border-radius:2px;}
.h2{font-size:29px;line-height:1.32;}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:16px;}

/* ============ Hero ============ */
.hero{padding:36px 0 8px;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:#8a5f2b;font-size:13px;font-weight:600;margin-bottom:18px;
}
.hero h1{font-size:38px;line-height:1.28;letter-spacing:.2px;}
.hero h1 span{color:var(--brand);}
.hero-sub{margin-top:14px;font-size:18px;color:var(--ink-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:32px;padding-top:26px;border-top:1px solid var(--line-warm);}
.hero-facts .fact strong{display:block;font-size:24px;color:var(--brand);font-weight:700;line-height:1.2;}
.hero-facts .fact span{font-size:13px;color:var(--ink-3);}
.hero-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh-3);padding:24px;position:relative;overflow:hidden;
}
.hero-panel::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--accent);}
.hero-panel h2{font-size:17px;margin-bottom:6px;}
.hero-panel .panel-note{font-size:13px;color:var(--ink-3);margin-bottom:16px;}
.step-mini{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);}
.step-mini:last-of-type{border-bottom:0;}
.step-mini b{
  flex:0 0 26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  font-size:13px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;
}
.step-mini div p{font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;}
.step-mini div span{font-size:13px;color:var(--ink-3);}
.hero-panel .btn-brand{width:100%;margin-top:18px;}
.hero-media{margin-top:34px;border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);}
.hero-media img{width:100%;height:300px;object-fit:cover;}

/* ============ 时间轴 ============ */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:23px;top:12px;bottom:12px;width:3px;
  background:linear-gradient(180deg,var(--brand-soft) 0%,var(--line) 55%,var(--accent-soft) 100%);
  border-radius:3px;
}
.tl-item{position:relative;padding-left:76px;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  position:absolute;left:0;top:2px;width:48px;height:48px;border-radius:50%;
  background:#fff;border:2px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
  box-shadow:var(--sh-1);z-index:1;transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.tl-item:hover .tl-num{background:var(--brand);color:#fff;}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh-1);padding:22px 24px;transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
  display:grid;grid-template-columns:1fr;gap:18px;
}
.tl-item:hover .tl-card{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--brand-soft);}
.tl-card.with-media{grid-template-columns:1fr 200px;}
.tl-card h3{font-size:21px;margin-bottom:10px;}
.tl-card p{font-size:15px;color:var(--ink-2);}
.tl-card p+p{margin-top:8px;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-s);
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:500;
}
.tag.warm{background:var(--accent-soft);color:#8a5f2b;}
.tl-thumb{border-radius:var(--r-m);overflow:hidden;border:1px solid var(--line);align-self:start;}
.tl-thumb img{width:100%;height:126px;object-fit:cover;transition:transform .3s ease;}
.tl-item:hover .tl-thumb img{transform:scale(1.04);}
.tl-time{font-size:13px;color:var(--ink-3);margin-bottom:6px;}

/* ============ 数据条 ============ */
.stats{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line);}
.stat-cell{background:#fff;padding:26px 24px;}
.stat-cell strong{display:block;font-size:30px;color:var(--brand);font-weight:700;line-height:1.2;}
.stat-cell span{display:block;margin-top:6px;font-size:14px;color:var(--ink-2);}

/* ============ 话题列表 ============ */
.topics{border:1px solid var(--line);border-radius:var(--r-l);background:#fff;overflow:hidden;box-shadow:var(--sh-1);}
.topic-row{
  display:grid;grid-template-columns:64px 1fr auto;gap:18px;align-items:center;
  padding:20px 24px;border-bottom:1px solid var(--line);transition:background-color .2s ease;
}
.topic-row:last-child{border-bottom:0;}
.topic-row:hover{background:var(--brand-soft);}
.topic-index{font-size:14px;font-weight:700;color:var(--accent);letter-spacing:1px;}
.topic-row h3{font-size:17px;font-weight:600;margin-bottom:4px;}
.topic-row p{font-size:14px;color:var(--ink-2);}
.topic-meta{font-size:13px;color:var(--ink-3);white-space:nowrap;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:10px;max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 22px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;transition:background-color .2s ease;
}
.faq-q:hover{background:var(--brand-soft);}
.faq-item.open .faq-q{background:var(--brand-soft);color:var(--brand-deep);}
.faq-icon{position:relative;flex:0 0 18px;height:18px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:8px 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ============ 表单 CTA ============ */
.cta-band{
  background:var(--brand-soft);border:1px solid var(--line);border-radius:18px;
  padding:36px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;
}
.cta-band h2{font-size:27px;}
.cta-band .lead{margin-top:14px;font-size:16px;color:var(--ink-2);}
.cta-points{margin-top:22px;display:grid;gap:12px;}
.cta-points li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);}
.cta-points li::before{content:"";flex:0 0 8px;height:8px;margin-top:9px;border-radius:2px;background:var(--accent);}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-l);box-shadow:var(--sh-2);padding:26px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:500;color:var(--ink-2);margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-m);
  background:#fff;font-size:15px;color:var(--ink);font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:88px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(42,92,138,.12);
}
.field.invalid input,.field.invalid select{border-color:var(--err);}
.field .err-text{display:none;font-size:12px;color:var(--err);margin-top:6px;}
.field.invalid .err-text{display:block;}
.form-card .btn-accent{width:100%;}
.form-hint{font-size:12px;color:var(--ink-3);margin-top:12px;text-align:center;}
.form-success{
  display:none;background:var(--brand-soft);border:1px solid #cfe0f0;border-radius:var(--r-m);
  padding:18px;font-size:15px;color:var(--brand-deep);
}
.form-success.show{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:#16212C;color:#CBD6E2;margin-top:24px;}
.footer-top{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;
  padding:56px 0 40px;border-top:1px solid rgba(42,92,138,.5);
}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-name em{color:#8FB4D8;}
.site-footer .brand-mark{border-color:#8FB4D8;}
.site-footer .brand-mark::after{border-color:#8FB4D8;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:#9FB0C2;max-width:280px;}
.footer-contact{margin-top:16px;font-size:13px;color:#8795A3;line-height:1.9;}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:#9FB0C2;}
.footer-links a:hover{color:var(--accent);}
.footer-qr{
  width:132px;height:132px;border-radius:var(--r-m);border:1px dashed rgba(255,255,255,.28);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:13px;color:#8795A3;line-height:1.6;padding:10px;
}
.footer-qr-note{margin-top:12px;font-size:13px;color:#8795A3;line-height:1.8;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#8795A3;
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:26px;bottom:26px;width:48px;height:48px;border-radius:50%;
  border:0;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s ease,visibility .25s ease,transform .25s ease,background-color .2s ease;z-index:900;
}
.to-top.show{opacity:1;visibility:visible;transform:none;}
.to-top:hover{background:var(--brand-deep);}

/* ============ 响应式 ============ */
@media (min-width:1400px){
  .wrap{max-width:1320px;}
}
@media (max-width:1199.98px){
  .hero h1{font-size:34px;}
  .hero-grid{gap:30px;grid-template-columns:7fr 5fr;}
}
@media (max-width:991.98px){
  .wrap{padding:0 20px;}
  .search-form,.header-cta{display:none;}
  .search-toggle,.nav-toggle{display:inline-flex;}
  .channel-bar{
    position:fixed;top:0;right:0;bottom:0;left:auto;width:84%;max-width:340px;
    background:#fff;box-shadow:var(--sh-3);transform:translateX(105%);
    transition:transform .28s ease;z-index:1200;overflow-y:auto;padding:20px;border-top:0;
  }
  body.nav-open .channel-bar{transform:translateX(0);}
  .channel-inner{display:block;min-height:auto;}
  .channel-list{flex-direction:column;align-items:stretch;gap:2px;}
  .channel-list a{padding:14px 10px;border-bottom:1px solid var(--line);font-size:16px;}
  .channel-list a::after{display:none;}
  .channel-list a.active{background:var(--brand-soft);border-radius:var(--r-m);}
  .hotwords{margin-left:0;padding:18px 0 0;}
  .nav-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
  .nav-drawer-head .drawer-title{font-size:15px;font-weight:600;color:var(--ink);}
  .nav-drawer-close{width:36px;height:36px;border:1px solid var(--line);border-radius:var(--r-m);background:#fff;cursor:pointer;font-size:18px;line-height:1;color:var(--ink-2);}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero h1{font-size:31px;}
  .hero-media img{height:230px;}
  .tl-card.with-media{grid-template-columns:1fr;}
  .tl-thumb img{height:170px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:28px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px;}
  .footer-brand p{max-width:none;}
  .topic-row{grid-template-columns:48px 1fr;gap:14px;}
  .topic-meta{grid-column:2;white-space:normal;}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px;}
  .brand-name{font-size:17px;}
  .section{padding:52px 0;}
  .section-sm{padding:38px 0;}
  .hero{padding:24px 0 0;}
  .hero h1{font-size:27px;}
  .hero-sub{font-size:16px;}
  .h2{font-size:23px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
  .hero-facts{gap:20px;}
  .tl-item{padding-left:56px;padding-bottom:22px;}
  .tl-num{width:38px;height:38px;font-size:13px;}
  .timeline::before{left:18px;}
  .tl-card{padding:18px;}
  .tl-card h3{font-size:18px;}
  .stats-grid{grid-template-columns:1fr;}
  .topic-row{padding:16px;grid-template-columns:1fr;}
  .topic-index{display:none;}
  .topic-meta{grid-column:1;}
  .faq-q{font-size:15px;padding:12px 16px;}
  .faq-a p{padding:6px 16px 18px;}
  .cta-band{padding:22px;border-radius:14px;}
  .cta-band h2{font-size:22px;}
  .form-card{padding:20px;}
  .footer-top{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .to-top{right:16px;bottom:16px;}
}